Fractional distillation separates crude oil into fractions based on boiling point. Smaller molecules rise higher and condense near the top.
This diagram covers Fractionating Column — Inline Diagram within Crude Oil for GCSE Chemistry. Topic 37: Crude Oil It is section 4 of 13 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Practice questions for Crude Oil
A hydrocarbon is a compound that contains only:
Explain how fractional distillation separates crude oil into different fractions.
Quick recall flashcards
What is a hydrocarbon?
A molecule made of hydrogen and carbon atoms ONLY
What is crude oil?
A mixture of many different hydrocarbons